URO 3D0907391B High Intensity Discharge (HID) Lighting Ballast
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URO

URO 3D0907391B High Intensity Discharge (HID) Lighting Ballast

Brand URO 3D0907391B
Fits Audi · 10 vehicles

Cross-references Dorman - OE Solutions 601-051, Standard Ignition HID154 and URO 3D0907391B for the same application. See all 49.

$162.83Free shipping
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HID Ballast Replacement

This URO HID lighting ballast, part number 3D0907391B, is a replacement component for European vehicle lighting systems that use high-intensity discharge technology. It is built as an OE-spec replacement for Audi A4, Audi A4 Quattro, and Audi S4 applications listed below.

  • Replacement HID ballast for exterior lighting systems
  • OE-spec fitment focus for European vehicle applications
  • URO Parts replacement component, part number 3D0907391B
  • Cross-references Standard Ignition HID154 and Valeo 88794 for the same application

Fitment Details

Compatible With 2002-2005 Audi A4, 2002-2005 Audi A4 Quattro, and 2004-2005 Audi S4 applications. Fits 2002 Audi A4, N/A; Fits 2002 Audi A4 Quattro, N/A; Fits 2003 Audi A4, N/A; Fits 2003 Audi A4 Quattro, N/A; Fits 2004-2005 Audi A4, N/A; Fits 2004-2005 Audi A4 Quattro, N/A; Fits 2004 Audi S4, N/A; Fits 2005 Audi S4, N/A.

Product Use

  • Restores HID lamp operation when the ballast has failed
  • Addresses intermittent headlight output or no-illumination conditions
  • Helps resolve lighting faults caused by ballast-related electrical issues
  • Supports repair of factory HID exterior lighting systems

Installation Notes

Verify the chassis range and harness note for 2002-2003 Audi A4, A4 Quattro, and 2004-2005 Audi S4 applications before ordering. Confirm the part number 3D0907391B against the original unit and match the vehicle’s existing HID system configuration.

Quality Assurance

URO Parts replacement components are manufactured to meet or exceed OEM specifications. URO Parts is positioned as an aftermarket alternative to dealer-priced genuine components.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2005AudiA4—1.8LL4N/A—
2005AudiA4 Quattro—1.8LL4N/A—
2005AudiS4Avant——N/AChassis Range: To 8E-5-400000
2004AudiA4———N/A—
2004AudiA4 Quattro———N/A—
2004AudiS4Base——N/A—
2003AudiA4———N/AChassis Range: To 8E-3-281970, also use (Qty.) (1) 8E0 971 671 harness
2003AudiA4 Quattro———N/AChassis Range: To 8E-3-281970, also use (Qty.) (1) 8E0 971 671 harness
2002AudiA4———N/AAlso use (Qty.) (1) 8E0 971 671 harness
2002AudiA4 Quattro———N/AAlso use (Qty.) (1) 8E0 971 671 harness
Directly replaces or cross-references 49 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 601-051Standard Ignition — HID154URO — 3D0907391BValeo — 887943D0 907 391B3D1 941 015J3D1 941 015K3D1 941 016E3D1 941 016J3D1 941 016K3D1 941 017G3D1 941 018E3D1 941 018F3D1 941 018G3D2 941 015C3D2 941 015G3D2 941 015H3D2 941 016C3D2 941 016G3D2 941 016H3D2 941 017C3D2 941 017D3D2 941 017E3D2 941 018C3D2 941 018D3D2 941 018E8E0 907 3918E0 907 391A8E0 941 003AQ8E0 941 003AR8E0 941 003AS8E0 941 003L8E0 941 003M8E0 941 003N8E0 941 003P8E0 941 003Q8E0 941 003R8E0 941 004AQ8E0 941 004AR8E0 941 004AS8E0 941 004L8E0 941 004M8E0 941 004N8E0 941 004P8E0 941 004Q8E0 941 004RR66072URO-020413V10-84-0050